WO2006119830A1

WO2006119830A1 - Pilot line and a system for contact-less energy transmission

Info

Publication number: WO2006119830A1
Application number: PCT/EP2006/003128
Authority: WO
Inventors: Günter Becker; Josef Schmidt
Original assignee: Sew-Eurodrive Gmbh & Co. Kg
Priority date: 2005-05-11
Filing date: 2006-04-06
Publication date: 2006-11-16
Also published as: DE102005022649B3; EP1881909A1; EP1881909B1

Abstract

The invention relates to a system for contact-less energy transmission comprising pilot lines, wherein at least one pilot line is provided in the ground in a surrounding-shaped groove.

Description

LINE LEADER AND TOUCH-FREE ENERGY TRANSFER SYSTEM

Description:

The invention relates to a line conductor and a system.

From DE 103 12 284 a flat transformer head for a movable parts of a system for non-contact energy transmission is known, wherein the Primärieitersystem comprises a designed as a line conductor Hinleiter and return conductors. The disadvantage is that the installation of the line conductor is complicated and costly.

The invention is therefore the object of developing a line conductor and a system, the assembly and / or installation costs can be reduced.

According to the invention the object is achieved in the line conductor according to the features specified in claim 1 and in the system according to the features specified in claim 11.

Essential features of the invention in the line conductor are that at least one of the line conductors is provided with a surrounding profile in a groove in the bottom. The advantage here is that no casting with potting compound is necessary, the insertion of the profile is simple and therefore cost-effective and the line conductor is mechanically protected, especially even can be formed over.

In an advantageous embodiment, the profile extends substantially over the entire length of the laid in the groove line conductor. The advantage here is that no casting with potting compound is more necessary.

In an advantageous embodiment, the profile comprises at least one cavity which extends parallel to the line conductor. The advantage here is that thermal expansion can be compensated.

In an advantageous embodiment, the profile comprises on its outer side barbs for positive connection with the groove. The advantage here is that bumps and Tolerances of the groove are compensated and a good stable connection of the profile in the groove can be produced.

In an advantageous embodiment, the profile comprises two subregions which are connected via an elastic region. The advantage here is that the profile can be designed such hinged that the line conductor between the sections is introduced before laying in the ground.

In an advantageous embodiment, the partial regions can be positively connected to the end opposite the elastic region. The advantage here is that the line conductor is securely umschließbar and thus well protected.

In an advantageous embodiment, the profile is provided such that it can be driven over by a movable part. The advantage here is that the profile is so stable predictable and thus the secondary winding is very close approach, except for an air gap.

In an advantageous embodiment, the profile is jammed in the groove of the soil. The advantage here is that a stable connection is reached.

In an advantageous embodiment, the profile is made of plastic. The advantage here is that a cost-effective material with good insulation properties is used.

In an advantageous embodiment, the profile is manufactured as a continuous casting. The advantage here is that the production is inexpensive.

Significant features in the system are that it is for non-contact energy transfer, wherein it comprises at least one elongated, laid in the ground line conductor, the part of the primary conductor system and at least one movable part, which is movable on the ground along the line conductor, wherein the movable Part comprises a secondary coil, which is inductively coupled to the Linienleitβr, wherein the bottom has a groove in which the profile line surrounded by a conductor is laid. The advantage here is that the production of the system including the system is quick and easy and therefore cost-effective.

In an advantageous embodiment, an electrical feed device impresses a medium-frequency alternating current, in particular with 2OkHz to 10OkHz, into the line conductor. The advantage here is that IGBT can be used as a power semiconductor of an output stage for the feed. Other similarly effective power semiconductors are usable. The switching frequency is not so high that the losses get out of hand, but it is high enough to transmit energy via the inductive coupling to a sufficient degree. Thus, only small energy losses in the arrangement are present.

In an advantageous embodiment, the primary conductor system comprises at least one forward conductor and one return conductor. The advantage here is that a simply constructed system is executable.

In an advantageous embodiment, the secondary coil winding is made flat, wherein the winding axis is aligned in the direction of the normal direction of the bottom surface in the region of the groove. The advantage here is that the movable part is designed as a flat above the floor provided wagon.

Further advantages emerge from the subclaims. LIST OF REFERENCE NUMBERS

Line conductor barb profile floor elastic section of the profile positive connection cavity

The invention will now be explained in more detail with reference to figures:

In the figure 1, a device according to the invention is sketched with ground and in Figure 2 without ground symbolically. FIG. 3 shows a sectional view associated with FIG.

The line conductor 1 is inserted in a profile 3, which is provided in a groove of the bottom 4, for example concrete or screed or wood.

The profile 3 has on its outer sides barbs 2, with which it can be clamped in the groove. In the barbs are unevenness of the groove of the soil, in which the barbs clamp positively. Unevenness and tolerances in the groove width are absorbed by the barbs 2.

The profile 3 has two partial areas, which are held together by an elastically shaped area 5 of the profile 3. Pre-insertion of the profile 3 in the groove of the bottom 4 of the line conductor 1 is inserted into the profile 3 by the two sections are a little weggekiappt each other and then the line conductor 1 is inserted. The elastically shaped region 5 is to be seen as an approximate pivot point.

The two sections are with a positive connection 6, as

Einklipsverbindung is executed, closed on the elastic region 5 opposite side.

Of the subareas, a parallel to the line conductor extending cavity 7 is enclosed, which is provided for receiving changes in length of the line conductor 1. Such changes in length can be caused for example by thermal changes that occur in the line conductor due to resistive heat.

The profile extends over long lengths parallel to the line conductor, in particular over the entire length of the groove in the ground. In this way, advantageously no

Potting compound are introduced. A corresponding additional additional operation is eliminated. Another advantage is that the line conductor 1 is simple and easy to replace, in particular without mechanical caulking or similar effort.

The profile 3 gives the line conductor on the top mechanical protection to allow it to pass over the groove in the ground.

The laying is extremely simple and fast executable, since the profile along with line conductor 1 is laid.

The profile 3 is preferably made of a plastic and can be produced as a continuous casting.

Claims

claims:

1. System with line conductor, characterized in that at least one of the Linienieiter is provided with a surrounding profile in a groove in the ground.

2. System according to at least one of the preceding claims, characterized in that the profile extends substantially over the entire length of the laid in the groove line conductor.

3. System according to at least one of the preceding claims, characterized in that the profile comprises at least one cavity which is extended parallel to the line conductor.

4. System according to at least one of the preceding claims, characterized in that the profile comprises barbs on its outside for positive connection with the groove.

5. System according to at least one of the preceding claims, characterized in that the profile comprises two subregions which are connected via an elastic region.

6. System according to at least one of the preceding claims, characterized in that the partial regions are positively connected to the end opposite the elastic region.

7. System according to at least one of the preceding claims, characterized in that the profile is provided such that it can be overridden by a movable part.

8. System according to at least one of the preceding claims, characterized in that the profile is jammed in the groove of the soil.

9. System according to at least one of the preceding claims, characterized in that the profile is made of plastic.

10. System according to at least one of the preceding claims, characterized in that the profile is manufactured as a continuous casting.

11. system for contactless energy transfer,

comprising at least one elongated, ground-laid line conductor which is part of the primary conductor system and at least one movable part which is movable on the ground along the line conductor,

wherein the movable part comprises a secondary coil inductively coupled to the line conductor,

wherein the bottom has a groove in which the line conductor surrounded by a profile is laid.

12. System according to at least one of the preceding claims, characterized in that an electrical supply device impresses a medium-frequency alternating current, in particular with 2OkHz to 10OkHz, in the line conductor.

13. System according to at least one of the preceding claims, characterized in that the primary conductor system comprises at least one forward conductor and one return conductor.

14. System according to at least one of the preceding claims, characterized in that the secondary coil winding is made flat, wherein the winding axis is aligned in the direction of the normal direction of the bottom surface in the region of the groove.